Propeller fan



FIG. 1 is a perspective view of the front, right, and top sides of apropeller fan showing a first embodiment of our new design;

FIG. 2 is a perspective view of the rear, right, and top sides thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is a perspective view of the front, right, and top sides of apropeller fan showing a second embodiment of our new design;

FIG. 10 is a perspective view of the rear, right, and top sides thereof;

FIG. 11 is a front view thereof;

FIG. 12 is a rear view thereof;

FIG. 13 is a left side view thereof;

FIG. 14 is a right side view thereof;

FIG. 15 is a top plan view thereof; and,

FIG. 16 is a bottom view thereof.

CLAIM The ornamental design for a propeller fan, as shown and described.